Phathom Pharmaceuticals, Inc. (PHAT) NASDAQ

Currency In USD

PHAT Historical Return

If you invested $1000 in Phathom Pharmaceuticals, Inc. (PHAT) since IPO date, it would be worth $360.57 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $269.44, while $1000 invested 1 year ago would be worth $766.64. This corresponds to total returns of -63.94%, -73.06%, -23.34%, respectively, with annualized returns of -13.87%, -23.06%, -23.34%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

PHAT Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	8.63	8.87	8.87	8.9	8.59	979,182
August 20, 2026	9.25	8.6	8.6	9.3	8.4	1.4M
August 19, 2026	9.42	9.32	9.32	9.7	9.31	781,937
August 18, 2026	9.33	9.25	9.25	9.74	9.18	976,462
August 17, 2026	9.47	9.28	9.28	9.57	9.22	1.14M
August 14, 2026	9.13	9.58	9.58	9.59	9.07	966,845
August 13, 2026	9.25	9.18	9.18	9.39	8.97	1.21M
August 12, 2026	8.51	9.17	9.17	9.19	8.47	2.08M
August 11, 2026	8.61	8.51	8.51	8.82	8.47	0
August 10, 2026	8.44	8.57	8.57	8.89	8.4	2.14M
August 07, 2026	8.48	8.55	8.55	8.61	8.3	2.31M
August 06, 2026	8.38	8.39	8.39	8.62	8.29	1.47M
August 05, 2026	8.49	8.23	8.23	8.76	8.21	1.65M
August 04, 2026	9	8.45	8.45	9.03	8.32	2.19M
August 03, 2026	8.75	8.98	8.98	9.23	8.45	1.53M
July 31, 2026	9.1	8.75	8.75	9.49	8.66	3.31M
July 30, 2026	8.9	9.03	9.03	10.21	8.8	7.61M
July 29, 2026	11.92	11.64	11.64	12	11.6	728,743
July 28, 2026	11.41	11.66	11.66	12.24	11.27	689,275
July 27, 2026	11.6	11.95	11.95	12.12	11.49	664,726
July 24, 2026	11.66	11.44	11.44	11.7	11.34	936,449
July 23, 2026	11.52	11.6	11.6	11.83	11.31	733,221
July 22, 2026	11.16	11.7	11.7	11.79	11.12	1.42M
July 21, 2026	10.62	11.25	11.25	11.3	10.5	952,283
July 20, 2026	10.9	10.65	10.65	11.22	10.59	620,355
July 17, 2026	10.86	10.94	10.94	11.33	10.86	480,187
July 16, 2026	11.05	10.97	10.97	11.34	10.91	437,448
July 15, 2026	10.96	11.05	11.05	11.09	10.65	899,506
July 14, 2026	10.85	11.04	11.04	11.39	10.68	1.04M
July 13, 2026	12.53	10.92	10.92	12.64	10.9	1.84M
July 10, 2026	12.24	12.61	12.61	12.63	11.87	2.32M
July 09, 2026	12.07	12.16	12.16	12.22	11.75	2.17M
July 08, 2026	11.48	12.06	12.06	12.11	11.26	1.38M
July 07, 2026	11.54	11.55	11.55	12.05	11.34	1.36M
July 06, 2026	11.16	11.38	11.38	11.75	11.11	835,645
July 02, 2026	10.66	11.2	11.2	11.28	10.58	889,100
July 01, 2026	10.85	10.54	10.54	11.01	10.42	910,864
June 30, 2026	11.01	10.85	10.85	11.15	10.82	665,604
June 29, 2026	10.84	10.87	10.87	10.95	10.34	1.12M
June 26, 2026	10.43	10.72	10.72	10.78	10.11	2.66M
June 25, 2026	10.6	10.34	10.34	10.78	10.02	1.08M
June 24, 2026	10.86	10.61	10.61	11.16	10.55	899,735
June 23, 2026	10.9	10.86	10.86	11.16	10.76	604,979
June 22, 2026	10.86	10.69	10.69	11.08	10.69	670,655
June 18, 2026	11.24	10.88	10.88	11.4	10.59	1.1M
June 17, 2026	10.49	11	11	11.18	10.49	860,698
June 16, 2026	10.71	10.43	10.43	10.83	10.38	749,513
June 15, 2026	10.32	10.71	10.71	10.86	10.23	692,080
June 12, 2026	10.46	10.37	10.37	10.65	10.32	554,283
June 11, 2026	9.88	10.27	10.27	10.48	9.74	795,587
June 10, 2026	9.85	9.82	9.82	10.26	9.74	826,010
June 09, 2026	10.19	9.82	9.82	10.23	9.79	796,007
June 08, 2026	10.18	10	10	10.35	9.76	720,373
June 05, 2026	9.86	10.13	10.13	10.21	9.77	1.16M
June 04, 2026	10.45	9.86	9.86	10.72	9.73	1.04M
June 03, 2026	9.63	10.09	10.09	10.22	9.49	2.01M
June 02, 2026	9.07	9.65	9.65	9.75	8.78	1.77M
June 01, 2026	9.6	9.24	9.24	9.74	9.02	1.59M
May 29, 2026	10.31	9.59	9.59	10.45	9.5	1.65M
May 28, 2026	10.61	10.32	10.32	10.75	10.25	1.71M